A1C: What It Is, Test, Levels & Chart

a1c diabetes

The A1C test can be used to diagnose type 2 diabetes and prediabetes.1 The A1C test is also the primary test used for diabetes management. The A1c test is a valuable tool for diagnosing and managing diabetes, but it’s not perfect. Another limitation is that it does not tell you how your blood sugar level fluctuates throughout the day, the week, or the month. Such fluctuations are particularly common in type 1 diabetes. Because the test only gives an average blood sugar level over the previous 3 months, your result could be the same whether your blood sugar fluctuates a lot or stays steady. Self-monitoring helps you make choices about diet and exercise and daily treatment goals, but it also helps you track whether you are meeting your A1C target.

However, because you are more likely to check your blood glucose in the morning and before meals, your meter readings will likely be lower than your eAG. When it comes to the numbers, there’s no one-size-fits-all over here target. A1C target levels can vary by each person’s age and other factors, and your target may be different from someone else’s. The goal for most adults with diabetes is an A1C that is less than 7%.

a1c diabetes

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The spot where the blood was drawn may become tender or bruised, but this typically clears up quickly. A blood test can be done the advantage to learn what type of hemoglobin you have. This is important to know so that the lab that analyzes your A1c does it correctly.

Your doctor can help you decide the best goal for you to set. The answer to that question is different for everyone and depends on lots of factors. Making healthy changes to your diet and adding regular exercise to your routine are two major his response components of getting your A1c down and keeping it down. The most common form of the oxygen-transporting hemoglobin protein is called hemoglobin A. The presence of other variants of the protein may result in inaccurate A1C test results.

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The form of hemoglobin in your blood depends on the genes you inherit from your biological parents. Other, less common forms of hemoglobin are called hemoglobin variants. It’s important to remember that other factors can contribute to the development of diabetes complications, such as genetics and how long you’ve had diabetes.

Newly diagnosed patients and/or those without comorbidities that limit life expectancy may benefit from intensive control proven to prevent microvascular complications. Both DCCT/EDIC and UKPDS demonstrated metabolic memory, or a legacy effect, in which a finite period of intensive control yielded benefits that extended for decades after that control ended. Thus, a finite period of intensive control to near-normal A1C may yield enduring benefits even if control is subsequently deintensified as patient characteristics change.

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However, most assays in use in the U.S. are accurate in individuals heterozygous for the most common variants (see /interf.asp). Other measures of average glycemia such as fructosamine and 1,5-anhydroglucitol are available, but their translation into average glucose levels and their prognostic significance are not as clear as for A1C and CGM. Though some variability in the relationship between average glucose levels and A1C exists among different individuals, generally the association between mean glucose and A1C within an individual correlates over time (5). The A1C test also known as the hemoglobin A1C or HbA1c test is a simple blood test that measures your average blood sugar levels over the past 3 months.

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